首页|电感耦合等离子体质谱法检测白酒中28种元素

电感耦合等离子体质谱法检测白酒中28种元素

Application of Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for Determination of 28 Trace Elements in Chinese Liquor

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建立白酒中微量元素的分析方法.采用10mL混酸(硝酸-高氯酸(4∶1,V/V)作为消解液消解白酒样品,电感耦合等离子体质谱法(ICP-MS)检测白酒中Ag、Cd、Cs、Ba、Li、Be、Na、Mg、Al、K、Ca、V、Cr、Mn、Fe、Co、Ni、Cu、Zn、Ga、As、Se、Tl、Pb、Bi、U、Rb和Sr 28种元素.结果表明,该方法具有前处理操作简单,分析速度快(1 min内检测28种元素)、动态线性范围宽(21种元素线性范围为0~300μg/L,7种元素线性范围为0~30mg/L)、精密度高、准确度好、检出限低等特点,且各元素的回收率均在85.19%~104.01%之间,所有RSD小于4.7%.本实验建立的方法完全可以满足白酒中28种元素的分析要求.
This paper describes a simple method for the determination of 28 micro-elements including Ag,Cd,Cs,Ba,Li,Be,Na,Mg,Al,K,Ca,V,Cr,Mn,Fe,Co,Ni,Cu,Zn,Ga,As,Se,Tl,Pb,Bi,U,Rb,and Sr in Chinese liquor by using inductively coupled plasma mass spectrometry (ICP-MS).For digestion of samples,10 mL of a mixture of HNO3 with HClO4 (4∶1,V/V) was used.The results revealed that the method had some advantages,such as simple sample pretreatment,fast analysis,low detection limit,high precision and accuracy,and wide linear dynamic range (0-300 μg/L for 21 of these micro-elements,0-30 μg/L for the rest).The recovery rates for all the micro-elements were between 85.19% and 104.01% with RSD less than 4.7%.This method can completely meet the requirements for determination of the 28 micro-elements in Chinese liquor.

inductively coupled plasma mass spectrometry (ICP-MS)Chinese liquorplasticizerstainless steel products28 elements

张建、田志强、卢垣宇、陈兴林、孙宗奇

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贵州省产品质量监督检验院,贵州贵阳 550004

国家酒类及饮料质量监督检验中心,贵州贵阳 550004

电感耦合等离子体质谱法 白酒 塑化剂 不锈钢制品 28种元素

贵州省科学技术厅社会攻关计划项目2011年贵州省地方标准制修订项目计划项目

2013GZ47387第一批3号

2013

食品科学
北京食品科学研究院

食品科学

CSTPCDCSCD北大核心
影响因子:1.327
ISSN:1002-6630
年,卷(期):2013.34(22)
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